Unmanned Spy Helicopter 无人侦察直升机
helicopter spy
直升机的间谍
以上为机器翻译结果，长、整句建议使用 人工翻译 。
If British troops do come under threat from insurgents, they have new technology to gather intelligence - the Black Hornet, a miniature surveillance helicopter with cameras to spy out hidden dangers.
BBC: UK troops prepare for Helmand tour
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